packetSource.h

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00001 /*
00002  *  anytun
00003  *
00004  *  The secure anycast tunneling protocol (satp) defines a protocol used
00005  *  for communication between any combination of unicast and anycast
00006  *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
00007  *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
00008  *  ethernet, ip, arp ...). satp directly includes cryptography and
00009  *  message authentication based on the methodes used by SRTP.  It is
00010  *  intended to deliver a generic, scaleable and secure solution for
00011  *  tunneling and relaying of packets of any protocol.
00012  *
00013  *
00014  *  Copyright (C) 2007 anytun.org <satp@wirdorange.org>
00015  *
00016  *  This program is free software; you can redistribute it and/or modify
00017  *  it under the terms of the GNU General Public License version 2
00018  *  as published by the Free Software Foundation.
00019  *
00020  *  This program is distributed in the hope that it will be useful,
00021  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00022  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023  *  GNU General Public License for more details.
00024  *
00025  *  You should have received a copy of the GNU General Public License
00026  *  along with this program (see the file COPYING included with this
00027  *  distribution); if not, write to the Free Software Foundation, Inc.,
00028  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00029  */
00030 
00031 #include "datatypes.h"
00032 #include "buffer.h"
00033 #include "PracticalSocket.h"
00034 
00035 class PacketSource
00036 {
00037 public:
00038   virtual ~PacketSource() {}
00039 
00040   virtual u_int32_t recv(Buffer& buf, std::string& addr, u_int16_t &port) = 0;
00041   virtual void send(Buffer& buf, std::string addr, u_int16_t port) = 0;
00042 };
00043 
00044 class UDPPacketSource : public PacketSource, public UDPSocket
00045 {  
00046 public:
00047   UDPPacketSource();
00048   UDPPacketSource(u_int16_t port);
00049   UDPPacketSource(std::string localaddr, u_int16_t port);
00050 
00051   u_int32_t recv(Buffer& buf, std::string& addr, u_int16_t &port);
00052   void send(Buffer& buf, std::string addr, u_int16_t port);
00053 };
00054 

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